INTERIM FINANCIAL INFORMATION (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Schedule of interim financial information

Our quarterly results attributable to Masco Corporation were as follows:

			Quarters Ended
			(In Millions, Except Per Common Share Data)
	Total Year		December 31		September 30		June 30		March 31
2017
Net sales	$	7,644	$	1,874	$	1,936	$	2,057	$	1,777
Gross profit	$	2,611	$	616	$	650	$	737	$	608
Net income	$	533	$	87	$	148	$	158	$	140
Earnings per common share:
Basic:
Net income	$	1.68	$	0.28	$	0.47	$	0.50	$	0.44
Diluted:
Net income	$	1.66	$	0.27	$	0.46	$	0.49	$	0.43
2016
Net sales	$	7,357	$	1,759	$	1,877	$	2,001	$	1,720
Gross profit	$	2,456	$	573	$	614	$	700	$	569
Net income	$	491	$	98	$	134	$	150	$	109
Earnings per common share:
Basic:
Net income	$	1.49	$	0.30	$	0.41	$	0.45	$	0.33
Diluted:
Net income	$	1.47	$	0.30	$	0.40	$	0.45	$	0.32